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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1001 |
| 4 | 1 |
| 5 | 101001 |
| 6 | 1 |
| 7 | 10101001 |
| 8 | 1 |
| 9 | 1010101001 |
| 10 | 1 |
| 11 | 101010101001 |
| 12 | 1 |
| 13 | 10101010101001 |
| 14 | 1 |
| 15 | 1000101010101001 |
| 16 | 100000000000001 |
| 17 | 110110101010101001 |
| 18 | 1000000000000000001 |
| 19 | 101010001010101001 |
| 20 | 110000011100000000001 |
| 21 | 1010001010101010101001 |
| 22 | 1000100000000000001 |
[1,1,1,1001,1,101001,1,10101001,1,1010101001,1, 101010101001,1,10101010101001,1,1000101010101001, 100000000000001,110110101010101001, 1000000000000000001,101010001010101001, 110000011100000000001,1010001010101010101001, 1000100000000000001] |